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Thread: Compiling RTL8821AU Wifi USB adapter failure (Compile make driver error: 2)

  1. #51
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    25,631
    Distro
    Ubuntu Development Release

    Re: Compiling RTL8821AU Wifi USB adapter failure (Compile make driver error: 2)

    nick@ubuntu:~$ modinfo | grep 0811
    It is actually:
    Code:
     modinfo 8812au | grep 0811
    However, your iwconfig looks like you have a wireless interface that's ready to connect. Does it scan?
    Code:
    sudo iwlist scan
    If it scans, you can probably click the Network Manager icon, see your network and connect. Please try.

    What does this tell us?
    Code:
    dmesg | grep wlxe
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  2. #52
    Join Date
    Oct 2016
    Beans
    31

    Re: Compiling RTL8821AU Wifi USB adapter failure (Compile make driver error: 2)

    Oh, sorry here it is. And it says it doesn't support scanning but in my network manager it's able to show available wifi networks -- including the one that is from my router.

    Code:
    nick@ubuntu:~$ modinfo 8812au | grep 0811
    alias:          usb:v0BDAp0811d*dc*dsc*dp*ic*isc*ip*in*
    nick@ubuntu:~$ sudo iwlist scan
    [sudo] password for nick: 
    wlxe84e063c144e  Scan completed :
              Cell 01 - Address: FA:8F:CA:68:17:E8
                        ESSID:""
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.412 GHz (Channel 1)
                        Encryption key:off
                        Bit Rates:72 Mb/s
                        Quality=100/100  Signal level=84/100  
                        Extra:fm=0001
              Cell 02 - Address: EC:AA:A0:A7:42:8A
                        ESSID:"xfinitywifi"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.412 GHz (Channel 1)
                        Encryption key:off
                        Bit Rates:144 Mb/s
                        Quality=100/100  Signal level=89/100  
                        Extra:fm=0003
              Cell 03 - Address: EC:AA:A0:A7:42:88
                        ESSID:"HOME-7D1C-2.4"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.412 GHz (Channel 1)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD8D0050F204104A0001101044000102103B00010310470010D1BD042EA33E5177A420FAAB624F497E10210013436973636F2053797374656D732C20496E632E10230007445043333934311024000744504333393431104200093030303030303030311054000800060050F20400011011000744504333393431100800020000103C0001011049000600372A000120
                        Quality=100/100  Signal level=90/100  
                        Extra:fm=0003
              Cell 04 - Address: 40:5D:82:E3:AF:9B
                        ESSID:"Lothlorien"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.437 GHz (Channel 6)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD800050F204104A0001101044000102103B000103104700109C3B40F8827AD8D5C7FB1885DE0C0C16102100074E657467656172102300074E6574676561721024000631323334353610420007303030303030311054000800060050F2040001101100094E6574676561724150100800022008103C0001031049000600372A000120
                        Quality=36/100  Signal level=70/100  
                        Extra:fm=0003
              Cell 05 - Address: 6E:8F:E0:94:35:DA
                        ESSID:"xfinitywifi"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.437 GHz (Channel 6)
                        Encryption key:off
                        Bit Rates:144 Mb/s
                        Quality=0/100  Signal level=48/100  
                        Extra:fm=0001
              Cell 06 - Address: 7E:8F:E0:94:35:DA
                        ESSID:""
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.437 GHz (Channel 6)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Quality=20/100  Signal level=47/100  
                        Extra:fm=0001
              Cell 07 - Address: 5E:8F:E0:94:35:DA
                        ESSID:""
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.437 GHz (Channel 6)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Quality=20/100  Signal level=47/100  
                        Extra:fm=0001
              Cell 08 - Address: 5C:8F:E0:94:35:DA
                        ESSID:"celinespimentel24"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.437 GHz (Channel 6)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
                        Quality=20/100  Signal level=46/100  
                        Extra:fm=0001
              Cell 09 - Address: 74:85:2A:DF:C3:8A
                        ESSID:"xfinitywifi"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.462 GHz (Channel 11)
                        Encryption key:off
                        Bit Rates:144 Mb/s
                        Quality=20/100  Signal level=50/100  
                        Extra:fm=0003
              Cell 10 - Address: A0:63:91:1B:D9:14
                        ESSID:"NETGEAR53"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.462 GHz (Channel 11)
                        Encryption key:on
                        Bit Rates:150 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2020050f20401000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : TKIP CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DDAC0050F204104A0001101044000102103B000103104700103883309230921883957EA063911BD9141021000D4E4554474541522C20496E632E1023001D4E45544745415220576972656C6573732041636365737320506F696E74102400074E4554474541521042000831323334353637381054000800060050F204000110110017574E523130303076342028576972656C6573732041502910080002210C103C0001011049000600372A000120
                        Quality=72/100  Signal level=63/100  
                        Extra:fm=0003
              Cell 11 - Address: 74:85:2A:DF:C3:88
                        ESSID:"HOME-F576-2.4"
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.462 GHz (Channel 11)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD8D0050F204104A0001101044000102103B00010310470010E6423B70F0995F5998E716457B6E0FDC10210013436973636F2053797374656D732C20496E632E10230007445043333934311024000744504333393431104200093030303030303030311054000800060050F20400011011000744504333393431100800020000103C0001011049000600372A000120
                        Quality=100/100  Signal level=48/100  
                        Extra:fm=0003
              Cell 12 - Address: 74:85:2A:DF:C3:89
                        ESSID:""
                        Protocol:IEEE 802.11bgn
                        Mode:Master
                        Frequency:2.462 GHz (Channel 11)
                        Encryption key:on
                        Bit Rates:144 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Quality=100/100  Signal level=56/100  
                        Extra:fm=0001
              Cell 13 - Address: 62:45:B0:F1:DE:23
                        ESSID:""
                        Protocol:IEEE 802.11b
                        Mode:Master
                        Frequency:5.22 GHz (Channel 44)
                        Encryption key:on
                        Bit Rates:0 kb/s
                        Quality=95/100  Signal level=72/100  
                        Extra:fm=0001
              Cell 14 - Address: A0:63:91:EC:39:00
                        ESSID:"NETGEAR87-5G"
                        Protocol:IEEE 802.11an
                        Mode:Master
                        Frequency:5.765 GHz
                        Encryption key:on
                        Bit Rates:300 Mb/s
                        Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : CCMP
                            Pairwise Ciphers (1) : CCMP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD800050F204104A0001101044000102103B000103104700109C3B40F8827AD8D5C7FB1885DE0C0C16102100074E657467656172102300074E6574676561721024000631323334353610420007303030303030311054000800060050F2040001101100094E6574676561724150100800022008103C0001031049000600372A000120
                        Quality=46/100  Signal level=57/100  
                        Extra:fm=0003
              Cell 15 - Address: EC:AA:A0:A7:42:90
                        ESSID:"HOME-7D1C-5"
                        Protocol:IEEE 802.11AC
                        Mode:Master
                        Frequency:5.785 GHz
                        Encryption key:on
                        Bit Rates:867 Mb/s
                        Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
                        IE: WPA Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        Extra:
                        IE: IEEE 802.11i/WPA2 Version 1
                            Group Cipher : TKIP
                            Pairwise Ciphers (2) : CCMP TKIP
                            Authentication Suites (1) : PSK
                        IE: Unknown: DD8D0050F204104A0001101044000102103B00010310470010D1BD042EA33E5177A420FAAB624F497E10210013436973636F2053797374656D732C20496E632E10230007445043333934311024000744504333393431104200093030303030303030311054000800060050F20400011011000744504333393431100800020000103C0001011049000600372A000120
                        Quality=74/100  Signal level=84/100  
                        Extra:fm=0003
              Cell 16 - Address: EC:AA:A0:A7:42:91
                        ESSID:"xfinitywifi"
                        Protocol:IEEE 802.11AC
                        Mode:Master
                        Frequency:5.785 GHz
                        Encryption key:off
                        Bit Rates:867 Mb/s
                        Quality=82/100  Signal level=84/100  
                        Extra:fm=0003
    
    enp3s8    Interface doesn't support scanning.
    
    lo        Interface doesn't support scanning.
    
    enp0s29f7u6  Interface doesn't support scanning.
    
    nick@ubuntu:~$ dmesg | grep wlxe
    [   21.980631] rtl8821au 1-5:1.0 wlxe84e063c144e: renamed from wlan0
    [   33.426641] IPv6: ADDRCONF(NETDEV_UP): wlxe84e063c144e: link is not ready
    [   33.834143] IPv6: ADDRCONF(NETDEV_UP): wlxe84e063c144e: link is not ready
    [   37.677357] IPv6: ADDRCONF(NETDEV_UP): wlxe84e063c144e: link is not ready

  3. #53
    Join Date
    Oct 2016
    Beans
    31

    Re: Compiling RTL8821AU Wifi USB adapter failure (Compile make driver error: 2)

    Hey! It's working! I'm currently connected to my wifi! You are amazing, chili555. Thank you so much!!

  4. #54
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    25,631
    Distro
    Ubuntu Development Release

    Re: Compiling RTL8821AU Wifi USB adapter failure (Compile make driver error: 2)

    Quote Originally Posted by hunterni View Post
    Hey! It's working! I'm currently connected to my wifi! You are amazing, chili555. Thank you so much!!
    Awesome! Glad it's working.

    You have compiled the driver for your current running kernel only. When Update Manager installs a later one, also known as linux-image, re-compile:

    Code:
    cd  ~/Documents/wifi_adapter/rtl8812AU
    make clean
    make
    sudo make install
    sudo modprobe 8812au
    Please retain the file and these instructions for that time.

    Please use thread tools to mark Solved.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

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